From which type of substance could a person be withdrawing if the following assessments are made? The client has a runny nose and tearing eyes, and he or she yawns frequently. The pilomotor muscles...

From which type of substance could a person be withdrawing if the following assessments are made? The client has a runny nose and tearing eyes, and he or she yawns frequently. The pilomotor muscles around the hair follicles cause ‘‘goose bumps’’ to appear. Nausea, vomiting, abdominal cramps, and diarrhea are present.